Unit Test Review: Exponential Functions Part 1

Assessment

•

Jannet Spurling

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Mathematics

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10th Grade

•

26 plays

•

Medium

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28 questions

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1.

Multiple Choice

1 min

1 pt

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

y = 15(35)^x

y = 15(1.35)^x

y = 15(0.35)^x

y = 35(1.15)^x

2.

Multiple Choice

1 min

1 pt

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

Growth

Decay

3.

Multiple Choice

1 min

1 pt

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

Growth

Decay

4.

Multiple Choice

1 min

1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)^x

y=30(5000)^x

y=5000(1.3)^x

y=5000x^x

5.

Multiple Choice

1 min

1 pt

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

y=6(0.14)^x

y=6(1+14)^x

y=6(1.14)^x

y=6(0.86)^x

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